{"product_id":"mercedes-amg-sl63-r231-forged-pistons-1-500hp-rated-m157-5-5t-v8-ypg-motorsport","title":"Mercedes-AMG SL63 R231 Forged Pistons — 1,500HP+ Rated | M157 5.5T V8 | YPG Motorsport","description":"Mercedes-AMG SL63 R231 Forged Pistons — M157 5.5L Twin-Turbo V8\n\n\u003cp\u003eCustom forged pistons for the Mercedes-AMG SL63 (R231) — purpose-built for the M157 5.5L twin-turbo V8 to handle extreme boost, timing, and cylinder pressures far beyond factory limits.\u003c\/p\u003e\n\n\u003cp\u003eWhen pushing the M157 past 700–800+ HP, factory cast pistons become the weak link. Our forged piston set is designed for builds running upgraded turbos, aggressive tuning, and race fuel — delivering the strength needed to survive sustained high-boost operation without the full cost of a complete forged internals kit.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e8x Forged Pistons\u003c\/strong\u003e — 4340 aircraft-quality forged aluminum, precision-machined to OEM bore specifications for the M157 5.5T V8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiston Rings\u003c\/strong\u003e — Low-tension performance ring pack for improved sealing under boost and reduced friction\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWrist Pins \u0026amp; Clips\u003c\/strong\u003e — Heavy-duty tool steel wrist pins rated for extreme cylinder pressures\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCeramic-Coated Tops\u003c\/strong\u003e — Thermal barrier coating reduces heat transfer to the piston crown, protecting against detonation at high boost levels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTeflon-Coated Skirts\u003c\/strong\u003e — Anti-friction coating reduces piston-to-wall contact friction, improving reliability and reducing wear under sustained high-RPM operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory Compression Ratio\u003c\/strong\u003e — Maintains stock compression geometry for seamless integration with OEM or aftermarket ECU calibrations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1,500HP+ Rated\u003c\/strong\u003e — Engineered to withstand cylinder pressures generated by Stage 3+ turbo upgrades and aggressive ignition timing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMercedes-AMG SL63 (R231) — 2013–2020\u003c\/li\u003e\n\u003cli\u003eEngine: M157 5.5L Twin-Turbo V8 (DE55 AL)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy YPG Motorsport?\u003c\/h3\u003e\n\u003cp\u003eYPG Motorsport has built and tuned M157-powered AMGs since 2011 — from bolt-on turbo upgrades to full forged engine builds. Every kit is sourced from CP-Carrillo or equivalent tier-1 forging houses and inspected before shipping.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eShips worldwide via FedEx International Priority from Kuwait.\u003c\/strong\u003e\u003c\/p\u003e]]\u0026gt;","brand":"YPG Motorsport","offers":[{"title":"Default","offer_id":48936752939200,"sku":"YPG-M157-FORGED-PISTONS-SL63","price":2499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0084\/7288\/7360\/products\/07-12-18-5649.png?v=1774317150","url":"https:\/\/ypgmotorsport.com\/products\/mercedes-amg-sl63-r231-forged-pistons-1-500hp-rated-m157-5-5t-v8-ypg-motorsport","provider":"YPG Motorsport","version":"1.0","type":"link"}